Anatomy
The LeFort II fx includes these bones
Maxillary bone, nasal bone
An athlete got in a fight at the basketball game and got smoked in the jaw. What are 3 things you can test to assess the severity of this injury?
Tongue blade test, swallow, check tongue, sensation from trigeminal nerve, R/O concussion
Bleeding, deformity, pain, maleculsion
MOI: direct blow
Mandible fx
PDL name and function
periodontal ligament- provides "give"/ allows for orthodontics
C3, C4, C5
keep diaphragm alive!
TMJ meaning
temporomandibular joint
Your assistant baseball coach got hit on a foul ball straight on the nose. What are 3 things you can check to assess severity?
Tongue blade test (check alignment of vomer and shaft), smell, breathing, check articulating bones (frontal/ maxilla), R/O concussion
Bleeding, deformity, pain
MOI: direct blow
Nose fx
severe fx, nerve and veins exposed, dentin and pulp exposed, non- emergent
Class III tooth fx
Trigeminal nerve branches
Opthalmic, maxillary, mandibular
Most superficial in throat, most susceptible to injury
Larynx
ROM of jaw
open, close, lateral movements, protraction, retraction
Ecchymosis, pain, crepitus, level of eyes, air escaping through eyes
MOI: direct blow
Your athlete had their tooth avulsed. You grabbed it by the crown, washed it off with water for 10 sec, and go to place it back in their mouth. How do you know which way is correct?
Look at surrounding teeth, look at root flare-> they will aim distally
Bell's Palsy
Facial nerve
Primary flexor of the jaw
Massester
Your athlete is feeling numbness on the left side of their face. What cranial nerves will you check
Trigeminal (V), facial (VII)
Pain, teeth do not line up, face/ jaw tired, maloclussion, swelling, tinnitus, ear p!, headache
MOI: clenching, grinding, stress, yawn
TMJ dysfunction
Someone in the crowd was watching a boring basketball game you were covering. They yawned and now their mouth won't close. What are you going to do?
Work quick, fingers lateral to molars, move down and around backward of the condyles
What number is facial nerve and how do you test it?
cranial nerve VII- facial expressions
Facial bones
zygoma, frontal, maxillary, mandible
Your baseball athlete got a ball to the mouth when running to home plate. He is c/o some tooth pain. What test(s) are you going to do?
percussion- tapping on tooth w/ something firm
mobility- moving tooth w/ something firm (qtips)
Swelling over these cartilage structures warrants an emergency d/t potential airway issues
Thryroid/ cricoid cartilage
These are the top 3 sports that get oral injuries for male athletes
Basketball, ice hockey, lacrosse
Cranial nerve V- 3 shape on sides of face/ same feeling